CN210051429U

CN210051429U - Bridge type sensor for civil experiment

Info

Publication number: CN210051429U
Application number: CN201921155637.2U
Authority: CN
Inventors: 朱绩超
Original assignee: Dalian Jiaotong University
Current assignee: Dalian Jiaotong University
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-02-11
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a civil experiment bridge type sensor, including bridge box, supporting seat, sticising spring, threaded rod and wiring hole, the inside bottom of bridge box all is fixed with equidistant supporting seat, and the top of supporting seat all welds the holding down plate, the top of holding down plate is provided with the top board, the top of bridge box all is provided with equidistant thread groove, and all is provided with equidistant wiring hole on the outer wall of bridge box both sides to the inside in wiring hole is provided with adjusts the structure, the inside of thread groove all is provided with the threaded rod, threaded rod and thread groove threaded connection, the bottom of threaded rod and the top fixed connection of top board, the top of threaded rod extends to the outside of thread groove and is fixed with the turning handle. The utility model discloses not only enlarged bridge sensor's application scope, the convenience when having improved bridge sensor operation has realized bridge sensor's quick concatenation function, has reduced the condition of connecting wire landing moreover.

Description

Bridge type sensor for civil experiment

Technical Field

The utility model relates to a civil engineering apparatus technical field specifically is a civil engineering experiment bridge type sensor.

Background

Civil engineering is a general name of scientific technology for building various engineering facilities, a bridge type sensor is a sensor commonly used in the production of truck scales, rail scales, axle weight scales, ground scales, storage scales and the like, and in experiments of civil engineering, the bridge type sensor is often required to be used for assisting experiments.

The bridge type sensors on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) When the traditional bridge sensor is used, the wiring holes are usually only suitable for connecting wires with the same diameter, so that the application range of the bridge sensor is limited;

(2) the two clamping pieces are not easy to separate when the traditional bridge sensor is connected, so that the operation is not convenient and fast, the adjustment is inconvenient after the connection, and the time waste is easily caused;

(3) when the traditional bridge sensor is used, a plurality of bridge sensors are generally required to be spliced for use according to requirements, but the splicing process of the bridge sensors is complicated, so that troubles are brought to people;

(4) when the conventional bridge sensor is used, the connecting wire is easy to slide off, and the fixing of the connecting wire is adversely affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a civil engineering bridge type sensor to it is limited to provide bridge type sensor application scope when using in solving above-mentioned background art, and the clamping piece is difficult for separating, and bridge type sensor is not convenient for splice the problem of use and the easy landing of connecting wire.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a civil engineering bridge type sensor, includes bridge box, supporting seat, sticiss spring, threaded rod and wiring hole, the inside bottom of bridge box all is fixed with equidistant supporting seat, and the top of supporting seat all welds the holding down plate, the top of holding down plate is provided with the top board, the top of bridge box all is provided with equidistant thread groove, and all is provided with equidistant wiring hole on the outer wall of bridge box both sides to the inside in wiring hole is provided with the regulation structure.

Preferably, the outer wall of one side of the bridge box is fixedly provided with a first splicing piece, a strip-shaped mounting groove is formed in the first splicing piece, and splicing screw holes are formed in the outer wall of the first splicing piece on two sides of the strip-shaped mounting groove.

Preferably, a second splicing member is fixed on the outer wall of one side, away from the first splicing member, of the bridge box, the second splicing member is matched with the strip-shaped mounting groove, and the maximum width of the second splicing member is smaller than the minimum width of the strip-shaped mounting groove.

Preferably, the top of holding down plate all is provided with equidistant recess, and the holding down plate top between the adjacent recess all is fixed with the rubber strip.

Preferably, the bottom of the upper press plate is fixed with elastic convex grains at equal intervals, the elastic convex grains are matched with the grooves, the corner positions of the bottom of the upper press plate are fixed with compression springs, and the bottom of each compression spring is fixedly connected with the top end of the lower press plate.

Preferably, the inside of thread groove all is provided with the threaded rod, threaded rod and thread groove threaded connection, the bottom of threaded rod and the top fixed connection of top board, the top of threaded rod extends to the outside of thread groove and is fixed with the turning handle.

Preferably, the inside of second splice all is provided with the concatenation through-hole, and the concatenation through-hole is mutually supported with the concatenation screw, and the minimum diameter of concatenation through-hole is greater than the maximum diameter of concatenation screw.

Preferably, the inside of adjusting the structure has set gradually retainer plate, expanding spring, double-layered line arc piece and sponge gasket, is fixed with the retainer plate on the lateral wall in wiring hole, and one side of retainer plate all is provided with equidistant double-layered line arc piece.

Preferably, all be fixed with expanding spring on the outer wall of press from both sides line arc piece both sides, the one end that the double-layered line arc piece was kept away from to the retainer plate is connected with the outer wall fixed connection of retainer plate, and is fixed with the sponge gasket on the outer wall that the expanding spring one side was kept away from to the double-layered line arc piece.

Compared with the prior art, the beneficial effects of the utility model are that: the bridge type sensor for the civil experiment not only enlarges the application range of the bridge type sensor, improves the convenience of the bridge type sensor during operation, realizes the quick splicing function of the bridge type sensor, but also reduces the condition that a connecting wire slides off;

(1) the connecting wire is contacted with the fixing ring and extruded under the soft action of the fixing ring, the telescopic spring, the wire clamping arc piece and the sponge gasket are arranged, and the wire clamping arc piece is close to the fixing ring under the elastic action of the telescopic spring, so that the wire connecting hole is suitable for connecting wires with different diameters, and the application range of the bridge type sensor is expanded;

(2) the rotary handle is operated to drive the threaded rod to rotate through the rotary handle, the threaded groove, the threaded rod, the lower pressing plate, the upper pressing plate and the pressing spring, the threaded rod pushes the upper pressing plate to move downwards under the action of the threaded groove until the threaded rod is in close contact with the connecting line, and meanwhile the lower pressing plate and the upper pressing plate are quickly separated under the elastic action of the pressing spring, so that the convenience in operation of the bridge type sensor is improved;

(3) the first splicing piece, the splicing screw hole, the strip-shaped mounting groove, the second splicing piece and the splicing through hole are arranged, the second splicing piece is clamped into the strip-shaped mounting groove in the first splicing piece, the splicing through hole is overlapped with an opening of the splicing screw hole, and the splicing screw hole and the splicing through hole are sequentially penetrated through by rotating a bolt, so that the rapid splicing function of the bridge sensor is realized;

(4) through being provided with protruding grain of elasticity, recess and rubber strip, the recess on holding down plate top is mutually supported with the protruding grain of elasticity of top board bottom, simultaneously under the effect of rubber strip, has increased the frictional force of connecting wire with holding down plate and top board, has reduced the condition of connecting wire landing.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front view of the present invention;

FIG. 3 is a schematic view of the enlarged structure of the lower pressing plate in a top view;

FIG. 4 is a side view, cross-sectional view, enlarged structural schematic view of the first splicing member of the present invention;

FIG. 5 is a side view, cross-sectional view, enlarged structural schematic view of a second splicing member of the present invention;

fig. 6 is an enlarged schematic view of the adjusting structure of the present invention.

In the figure: 1. a bridge box; 2. a supporting seat; 3. a lower pressing plate; 4. a compression spring; 5. an upper pressure plate; 6. elastic convex particles; 7. a first splice; 8. a handle is rotated; 9. a thread groove; 10. a threaded rod; 11. a second splice; 12. an adjustment structure; 1201. a stationary ring; 1202. a tension spring; 1203. a wire clamping arc sheet; 1204. a sponge pad; 13. a rubber strip; 14. a groove; 15. splicing screw holes; 16. a strip-shaped mounting groove; 17. splicing through holes; 18. and a wiring hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: a bridge type sensor for a civil experiment comprises a bridge box 1, supporting seats 2, compression springs 4, threaded rods 10 and wiring holes 18, wherein the supporting seats 2 with equal intervals are fixed at the bottom end inside the bridge box 1, lower pressing plates 3 are welded at the top ends of the supporting seats 2, grooves 14 with equal intervals are formed in the top ends of the lower pressing plates 3, and rubber strips 13 are fixed at the top ends of the lower pressing plates 3 between the adjacent grooves 14 and used for reducing the sliding of connecting wires;

the bridge box comprises a bridge box body 1, a first splicing piece 7, a strip-shaped mounting groove 16, splicing screw holes 15, a second splicing piece 11, splicing through holes 17 and splicing screw holes 15, wherein the outer wall of the first splicing piece 7 on one side of the bridge box body 1 is fixed with the first splicing piece 7, the outer walls of the first splicing pieces 7 on two sides of the strip-shaped mounting groove 16 are provided with the splicing screw holes 15, the outer wall of the bridge box body 1 on the side far away from the first splicing piece 7 is fixed with the second splicing piece 11, the second splicing piece 11 is matched with the strip-shaped mounting groove 16, the maximum width of the second splicing piece 11 is smaller than the minimum width of the strip-shaped mounting groove 16, the inner part of the second splicing piece 11 is provided with the splicing through holes 17, the splicing through holes;

an upper pressing plate 5 is arranged above the lower pressing plate 3, elastic convex grains 6 with equal intervals are fixed at the bottom end of the upper pressing plate 5, the elastic convex grains 6 are matched with the grooves 14, and the corner position of the bottom end of the upper pressure plate 5 is fixed with a compression spring 4, the bottom end of the compression spring 4 is fixedly connected with the top end of the lower pressure plate 3, used for fast separating the lower pressing plate 3 from the upper pressing plate 5, the top end of the bridge box 1 is provided with thread grooves 9 with equal intervals, the outer walls of the two sides of the bridge box 1 are provided with wiring holes 18 with equal intervals, an adjusting structure 12 is arranged inside the wiring hole 18, threaded rods 10 are arranged inside the thread grooves 9, the threaded rods 10 are in threaded connection with the thread grooves 9, the bottom ends of the threaded rods 10 are fixedly connected with the top ends of the upper pressing plates 5, and the top ends of the threaded rods 10 extend to the outside of the thread grooves 9 and are fixed with rotating handles 8 for fixing connecting wires;

a fixing ring 1201, a telescopic spring 1202, a wire clamping arc sheet 1203 and a sponge gasket 1204 are sequentially arranged inside the adjusting structure 12, the fixing ring 1201 is fixed on the side wall of the wiring hole 18, the wire clamping arc sheets 1203 are arranged at equal intervals on one side of the fixing ring 1201, the telescopic springs 1202 are fixed on the outer walls of the two sides of the wire clamping arc sheet 1203, one end, far away from the wire clamping arc sheet 1203, of the fixing ring 1201 is fixedly connected with the outer wall of the fixing ring 1201, and the sponge gasket 1204 is fixed on the outer wall of one side, far away from the telescopic spring 1202, of the wire clamping arc sheet 1203;

the connecting wire contacts the sponge pad 1204 and extrudes the wire clamping arc sheet 1203 under the soft action of the sponge pad 1204, and the elastic action of the telescopic spring 1202 enables the wire clamping arc sheet 1203 to be close to the fixing ring 1201 at the moment, so that the wire connecting hole 18 is suitable for connecting wires with different diameters, and the application range of the bridge sensor is enlarged.

The working principle is as follows: when the bridge box is used, a worker penetrates a connecting wire through the connecting wire hole 18 and extends the connecting wire to a position between the lower pressing plate 3 and the upper pressing plate 5 in the bridge box 1, in the process, the connecting wire is in contact with the sponge gasket 1204 and extrudes the wire clamping arc sheet 1203 under the soft action of the sponge gasket, at the moment, the elastic action of the telescopic spring 1202 enables the wire clamping arc sheet 1203 to be close to the fixing ring 1201, so that the connecting wire hole 18 is suitable for connecting wires with different diameters, the application range of the bridge sensor is expanded, then, the worker operates the rotating handle 8 to drive the threaded rod 10 to rotate, under the action of the threaded groove 9, the threaded rod 10 pushes the upper pressing plate 5 to move downwards until the upper pressing plate 5 is in close contact with the connecting wire, meanwhile, the elastic action of the compression spring 4 enables the lower pressing plate 3 to be quickly separated from the upper pressing plate 5, the convenience in operation is improved, in the process that the upper pressing plate 5 is slowly close to the lower pressing plate 3, simultaneously under the effect of rubber strip 13, the frictional force of connecting wire and holding down plate 3 and top board 5 has been increased, the condition of connecting wire landing has been reduced, stop operation when threaded rod 10 descends to holding down plate 5 and holding down plate 3 and press from both sides tight connecting wire, finally, through promoting bridge box 1 to make the second concatenation piece 11 card of bridge box 1 one side go into in the bar mounting groove 16 of first concatenation piece 7 inside, concatenation through-hole 17 coincides with the opening of concatenation screw 15 this moment, the staff makes it pass concatenation screw 15 and concatenation through-hole 17 in proper order through rotatory bolt, finish the bridge type sensor concatenation with the model, bridge type sensor's quick concatenation function has been realized, the work of accomplishing civil engineering experiment bridge type sensor.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bridge type sensor of civil engineering, includes bridge box (1), supporting seat (2), sticiss spring (4), threaded rod (10) and wiring hole (18), its characterized in that: the bridge box is characterized in that supporting seats (2) with equal intervals are fixed at the bottom end inside the bridge box (1), lower pressing plates (3) are welded at the top ends of the supporting seats (2), upper pressing plates (5) are arranged above the lower pressing plates (3), thread grooves (9) with equal intervals are formed in the top ends of the bridge box (1), wiring holes (18) with equal intervals are formed in the outer walls of the two sides of the bridge box (1), and adjusting structures (12) are arranged inside the wiring holes (18).

2. The bridge sensor for civil experiments according to claim 1, wherein: the bridge box is characterized in that a first splicing piece (7) is fixed on the outer wall of one side of the bridge box (1), a strip-shaped mounting groove (16) is formed in the first splicing piece (7), and splicing screw holes (15) are formed in the outer walls of the first splicing pieces (7) on the two sides of the strip-shaped mounting groove (16).

3. The bridge sensor for civil experiments according to claim 2, wherein: the bridge box (1) is fixed with the second splicing member (11) on the outer wall of one side far away from the first splicing member (7), the second splicing member (11) is matched with the strip-shaped mounting groove (16), and the maximum width of the second splicing member (11) is smaller than the minimum width of the strip-shaped mounting groove (16).

4. The bridge sensor for civil experiments according to claim 1, wherein: the top of holding down plate (3) all is provided with equidistant recess (14), and holding down plate (3) top between adjacent recess (14) all is fixed with rubber strip (13).

5. The bridge sensor for civil experiments according to claim 1, wherein: the bottom of top board (5) all is fixed with equidistant protruding grain of elasticity (6), and protruding grain of elasticity (6) and recess (14) are mutually supported, and the corner position department of top board (5) bottom all is fixed with sticising spring (4), sticising spring (4) bottom and the top fixed connection of holding down plate (3).

6. The bridge sensor for civil experiments according to claim 1, wherein: the inside of thread groove (9) all is provided with threaded rod (10), threaded rod (10) and thread groove (9) threaded connection, the bottom of threaded rod (10) and the top fixed connection of top board (5), the top of threaded rod (10) extends to the outside of thread groove (9) and is fixed with turning handle (8).

7. The bridge sensor for civil experiments according to claim 3, wherein: the inside of second splice (11) all is provided with concatenation through-hole (17), and concatenation through-hole (17) and concatenation screw (15) mutually support, and the minimum diameter of concatenation through-hole (17) is greater than the maximum diameter of concatenation screw (15).

8. The bridge sensor for civil experiments according to claim 1, wherein: the adjusting structure is characterized in that a fixing ring (1201), a telescopic spring (1202), a wire clamping arc sheet (1203) and a sponge gasket (1204) are sequentially arranged inside the adjusting structure (12), the fixing ring (1201) is fixed on the side wall of the wiring hole (18), and the wire clamping arc sheets (1203) with equal intervals are arranged on one side of the fixing ring (1201).

9. The bridge sensor of claim 8, wherein: the outer walls of two sides of the wire clamping arc piece (1203) are both fixed with telescopic springs (1202), one end, far away from the wire clamping arc piece (1203), of the fixing ring (1201) is fixedly connected with the outer wall of the fixing ring (1201), and a sponge gasket (1204) is fixed on the outer wall, far away from one side of the telescopic springs (1202), of the wire clamping arc piece (1203).